Auto Trigger

by zhaono1be7a9d7d1759No licenseListed Oct 8, 2026Updated Oct 8, 2026

Workflow hook metadata for agent-playbook skills. This skill documents trigger intent between skills - DO NOT use directly, and do not assume hooks execute unless the host runtime explicitly supports them.

Instructions only

Auto-Trigger Hooks

This skill defines trigger intent between skills. When a skill completes its workflow, a host runtime or agent may read this metadata, record a pending follow-up, and execute the next skill only when that action is supported and safe for the current session.

Hook Definitions

PRD Creation Chain

yaml
prd_complete:  triggers:    - skill: self-improving-agent      mode: background      condition: PRD file exists and is complete    - skill: session-logger      mode: auto      context: "PRD created for {feature_name}"
prd_implemented:  triggers:    - skill: session-logger      mode: auto      context: "Implemented PRD: {feature_name}"

Implementation Chain

yaml
implementation_complete:  triggers:    - skill: code-reviewer      mode: ask_first      message: "Implementation complete. Run code review?"    - skill: create-pr      mode: ask_first      condition: user_requested_submission

Session Management

yaml
session_start:  auto_triggers:    - skill: session-logger      action: create_session_file
session_end:  auto_triggers:    - skill: session-logger      action: update_session_file

Hook Format in Skills

To add auto-trigger capability to a skill, add to its front matter:

yaml
---name: my-skilldescription: Skill descriptionallowed-tools: Read, Write, Edithooks:  before_start:    - trigger: session-logger      mode: auto      context: "Start {skill_name}"  after_complete:    - trigger: self-improving-agent      mode: background    - trigger: session-logger      mode: auto  on_error:    - trigger: self-improving-agent      mode: background---

Implementation Guide

When a skill completes its workflow:

  1. Check hooks in its own front matter (before_start, after_complete, on_error, on_progress)
  2. For each hook:
    • If mode: auto, record or run a low-risk follow-up only when the host runtime supports it
    • If mode: background, record a non-blocking follow-up; do not mutate durable files silently
    • If mode: ask_first, ask user before triggering
    • If condition: exists, check it first
  3. Pass context to the triggered skill

Example Integration

prd-planner should add

yaml
---name: prd-plannerdescription: Creates PRDs using persistent file-based planning...allowed-tools: Read, Write, Edit, Bash, Grep, Glob, AskUserQuestion, WebSearchhooks:  after_complete:    - trigger: self-improving-agent      mode: background      context: "PRD created at {prd_file}"    - trigger: session-logger      mode: auto      context: "PRD creation complete"---

self-improving-agent uses explicit validation and application gates

yaml
---name: self-improving-agentdescription: Captures redacted candidates, validates them with evidence, and records only explicitly applied rules...allowed-tools: Read, Write, Edit, Bash, Grep, Glob---

Its Claude failure hook is installed by the CLI adapter, not declared as portable skill metadata. The hooks examples in this skill are declarative intent only unless a host adapter explicitly implements them. Other hosts should use documented adapters or manual capture.

create-pr should add

yaml
---name: create-prdescription: Creates pull requests with bilingual documentation updates...allowed-tools: Read, Write, Edit, Bash, Grep, AskUserQuestionhooks:  after_complete:    - trigger: session-logger      mode: auto      context: "PR created: {pr_title}"---

Chain Visualization

┌──────────────┐│ prd-planner  │└──────┬───────┘       │ after_complete       ├──→ self-improving-agent (background)       │         └──→ create-pr (ask_first)       │                  └──→ session-logger (auto)       └──→ session-logger (auto)

Error Correction Chain

yaml
on_error:  triggers:    - skill: self-improving-agent      mode: background      context: "Error occurred in {skill_name}"    - skill: session-logger      mode: auto      context: "Error captured for {skill_name}"

Important Rules

  1. Don't create infinite loops - Ensure chains terminate
  2. Ask before major actions - Use mode: ask_first for PRs, deployments, and durable file changes
  3. Background tasks - Use mode: background for non-blocking analysis or proposal artifacts
  4. Pass context - Always include relevant context to triggered skills

Source and attribution

Source:zhaono1/agent-playbookinskills/auto-triggerat commitbe7a9d7

License: No license

Content belongs to its original authors. SourceWeft indexes it from a public repository.

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Auto Trigger Agent Skill | SourceWeft